Earthquake with magnitude of ML 1.1 on date 04-06-2023 and time 20:18:30 (Italy) in region 13 km N Ragalna (CT)

A magnitude ML 1.1 earthquake occured in region: 13 km N Ragalna (CT), on

  • 04-06-2023 18:18:30 (UTC)
  • 04-06-2023 20:18:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7420, 14.9650 at 6 km depth.

The earthquake was located by: Sala Operativa INGV_OE (Catania).

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ragalna CT 13 3924 3924
Bronte CT 13 19172 23096
Maletto CT 13 3920 27016
Zafferana Etnea CT 13 9517 36533
Milo CT 14 1087 37620
Biancavilla CT 14 24007 61627
Adrano CT 15 36122 97749
Nicolosi CT 15 7463 105212
Randazzo CT 15 10900 116112
Santa Maria di Licodia CT 15 7641 123753
Sant'Alfio CT 16 1582 125335
Pedara CT 16 14102 139437
Santa Venerina CT 17 8592 148029
Belpasso CT 17 28108 176137
Trecastagni CT 17 10910 187047
Viagrande CT 19 8563 195610
PaternĂ² CT 19 48228 243838
Moio Alcantara ME 19 717 244555
Maniace CT 19 3765 248320
Linguaglossa CT 19 5403 253723
Santa Domenica Vittoria ME 19 980 254703
Giarre CT 19 27659 282362
San Pietro Clarenza CT 20 7743 290105
Camporotondo Etneo CT 20 5023 295128

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
29 Km NW of Catania (314555 inhabitants)
72 Km SW of Messina (238439 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 inhabitants)
100 Km N of Modica (54633 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
ML 1.1 2023-06-04
18:18:30
37.742 14.965 6 2024-05-15
12:48:06
Sala Operativa INGV_OE (Catania) 118106281
Reviewed
Rev200
ML 1.1 2023-06-04
18:18:29
37.75 14.98 8 2024-05-15
12:47:32
Sala Operativa INGV_OE (Catania) 118106861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 18:18:30
Latitude 37.7420
Longitude 14.9650
Depth (km) 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 118106281

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 118106861
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-06-04 18:26:58

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 118106281
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-06-04 18:22:00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download